Question

How to remove all non-ASCII characters from a string in Go

Answer 1

package main

import (
    "fmt"
    "strings"
)

// Function to remove non-ASCII characters from a string
func removeNonASCII(input string) string {
    var builder strings.Builder
    
    for _, ch := range input {
        if ch <= 127 { // ASCII characters range from 0-127
            builder.WriteRune(ch)
        }
    }
    
    return builder.String()
}

func main() {
    input := "©€ABC£µ¥xyz!® 123 こんにちは"
    filtered := removeNonASCII(input)

    fmt.Println("Filtered string:", filtered)
}



/*
run:

Filtered string: ABCxyz! 123 

*/

 

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